package com.changgou.order.service;

import com.changgou.order.pojo.OrderItem;

import java.util.List;

/**
 * 描述
 *
 * @author ljh
 * @version 1.0
 * @package com.changgou.order.service *
 * @Date 2019-12-5
 * @since 1.0
 */
public interface CartService {
    void add(String username,Long id, Integer num);

    List<OrderItem> findCartList(String username);

}
